111331102010 has 16 divisors (see below), whose sum is σ = 200527590816. Its totient is φ = 44503194768.

The previous prime is 111331102007. The next prime is 111331102027. The reversal of 111331102010 is 10201133111.

It is a happy number.

It is a super-2 number, since 2×111331102010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639764 + ... + 3670223.

It is an arithmetic number, because the mean of its divisors is an integer number (12532974426).

Almost surely, 2^111331102010 is an apocalyptic number.

111331102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111331102010 is a deficient number, since it is larger than the sum of its proper divisors (89196488806).

111331102010 is a wasteful number, since it uses less digits than its factorization.

111331102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311517.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111331102010 its reverse (10201133111), we get a palindrome (121532235121).

The spelling of 111331102010 in words is "one hundred eleven billion, three hundred thirty-one million, one hundred two thousand, ten".